Hsieh JenYun / Mbed OS I2C_Master

a

Fork of I2C_Master by LAXAN01

main.cpp@1:6926cb0de2b0, 2017-10-20 (annotated)

Committer:
cathy101
Date:
Fri Oct 20 05:06:15 2017 +0000
Revision:
1:6926cb0de2b0
Parent:
0:f76c26307f9a
Child:
2:3d64970eeb96
v1

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 0:f76c26307f9a 1 #include "mbed.h"
cathy101 1:6926cb0de2b0 2
mbed_official 0:f76c26307f9a 3
cathy101 1:6926cb0de2b0 4 #include "hal/i2c_api.h"
cathy101 1:6926cb0de2b0 5 #include "platform/SingletonPtr.h"
cathy101 1:6926cb0de2b0 6 #include "platform/PlatformMutex.h"
cathy101 1:6926cb0de2b0 7 //#include "platform/NonCopyable.h"
cathy101 1:6926cb0de2b0 8
cathy101 1:6926cb0de2b0 9 #if DEVICE_I2C_ASYNCH
cathy101 1:6926cb0de2b0 10 #include "platform/CThunk.h"
cathy101 1:6926cb0de2b0 11 #include "hal/dma_api.h"
cathy101 1:6926cb0de2b0 12 #include "platform/FunctionPointer.h"
cathy101 1:6926cb0de2b0 13 #endif
mbed_official 0:f76c26307f9a 14 // Read temperature from LM75BD
mbed_official 0:f76c26307f9a 15
cathy101 1:6926cb0de2b0 16 I2C Master(PC_9, PA_8);
cathy101 1:6926cb0de2b0 17 Serial pc(USBTX,USBRX);
cathy101 1:6926cb0de2b0 18 const int addr = 0xA0;
mbed_official 0:f76c26307f9a 19
mbed_official 0:f76c26307f9a 20 int main() {
mbed_official 0:f76c26307f9a 21 char cmd[2];
cathy101 1:6926cb0de2b0 22 char buffer[20];
cathy101 1:6926cb0de2b0 23 char slave_buffer[20];
cathy101 1:6926cb0de2b0 24 char msg[] = "Hi 0xA0";
cathy101 1:6926cb0de2b0 25 char msg_all[] = "Slave!";
mbed_official 0:f76c26307f9a 26 while (1) {
cathy101 1:6926cb0de2b0 27
cathy101 1:6926cb0de2b0 28 if(pc.readable()) {
cathy101 1:6926cb0de2b0 29 pc.gets(buffer, sizeof(buffer));
cathy101 1:6926cb0de2b0 30 pc.printf("buffer : %s\n",buffer);
cathy101 1:6926cb0de2b0 31 if(buffer[0]!='\0'|| buffer[0]!='\r'|| buffer[0]!='\n'||buffer!='\0'){
cathy101 1:6926cb0de2b0 32 int i=atoi(buffer);
cathy101 1:6926cb0de2b0 33 switch (i) {
cathy101 1:6926cb0de2b0 34 case I2C::MasterGeneralCall:
cathy101 1:6926cb0de2b0 35 //write(int address, const char *data, int length, bool repeated = false);
cathy101 1:6926cb0de2b0 36 Master.write(addr, msg_all, strlen(msg_all) + 1, false); // Includes null char
cathy101 1:6926cb0de2b0 37 printf("write msg_all G: %s\n", msg_all);
cathy101 1:6926cb0de2b0 38 break;
cathy101 1:6926cb0de2b0 39 case I2C::MasterWrite:
cathy101 1:6926cb0de2b0 40 Master.write(addr, msg, strlen(msg) + 1, false);
cathy101 1:6926cb0de2b0 41 printf("write msg to A: %s\n", msg);
cathy101 1:6926cb0de2b0 42 break;
cathy101 1:6926cb0de2b0 43 case I2C::MasterRead:
cathy101 1:6926cb0de2b0 44 Master.read(addr,slave_buffer, 20);
cathy101 1:6926cb0de2b0 45 printf("Read A: %s\n", slave_buffer);
cathy101 1:6926cb0de2b0 46 break;
cathy101 1:6926cb0de2b0 47 }
cathy101 1:6926cb0de2b0 48
cathy101 1:6926cb0de2b0 49 }
cathy101 1:6926cb0de2b0 50 for(int i = 0; i < 10; i++) buffer[i] = 0; // Clear buffer
cathy101 1:6926cb0de2b0 51 }
mbed_official 0:f76c26307f9a 52 }
mbed_official 0:f76c26307f9a 53 }